n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 22 |
5 | 175 |
6 | 1296 |
7 | 6349 |
8 | 92380 |
9 | 699129 |
10 | 5852260 |
11 | 87508531 |
12 | 983847624 |
13 | 10043843407 |
14 | 127510899894 |
15 | 2403074951775 |
16 | 28335761555896 |
17 | 350566973798425 |
18 | 6858698972065020 |
19 | 119828351275275331 |
20 | 1832442717444626440 |
21 | 25146644024861932671 |
22 | 596930762527062348022 |
[1,1,2,9,22,175,1296,6349,92380,699129,5852260, 87508531,983847624,10043843407,127510899894, 2403074951775,28335761555896,350566973798425, 6858698972065020,119828351275275331, 1832442717444626440,25146644024861932671, 596930762527062348022] |